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2016 B9 A5 to drop 200 pounds - Twin turbo 4.0 TFSI V8 for the RS5?

Car and Driver is reporting that that the next generation B9 A5 expected to bow in at a 2016 model year car next year will drop 200 pounds thanks to extensive use of aluminum. That is not really news and pretty much expected as Audi is aggressively cutting weight across the entire lineup. What is interesting to note is that Car and Driver reports the RS5 will get a 4.0 liter twin turbo V8 powerplant to challenge the Mercedes C63 AMG and BMW M4.

If that is the case both Mercedes and Audi will have 4.0 liter V8's in their sport coupes while BMW will offer the smallest displacement at 3.0 liters and two less cylinders. As the latest comparison test featuring the RS5 versus the C63 showed the RS5 4.2 liter naturally aspirated V8 is simply outmatched in grunt by Mercedes and BMW.

What will output be? Considering this motor should be a variant a 4.0 TFSI seen in the S6, S7, S8, RS6, RS7, etc., power ranging from 420 horsepower 560 horsepower Audi can pick and choose which flavor of the 4.0 TFSI they want to use based on what Mercedes does with the M177 4.0 liter twin turbo in the C63.

The S4 should get the S6 engine and the RS4 should get the RS7 engine.
The 4.2L RS5 was a major disappointment due to the lack of forced induction and should have launched with this engine to begin with.
If AMG screws up the C63 by not offering a DCT and AWD, a RS4/RS5 with a lighter curb weight than the current model will make a nice alternative to the 4,400lb S6.

Sounds like a winner to me. Already love the RS5 interior and exterior styling, add some more performance (MUCH NEEDED) and you got a winner. I think the RS5 and M4 are both better choices than the C63, and honestly for me I'd probably go the Audi RS5 route. I just feel the Audi is worth more than either regardless of actual MSRP

Sounds like a winner to me. Already love the RS5 interior and exterior styling, add some more performance (MUCH NEEDED) and you got a winner. I think the RS5 and M4 are both better choices than the C63, and honestly for me I'd probably go the Audi RS5 route. I just feel the Audi is worth more than either regardless of actual MSRP

Was at Audi today. The RS models just look and feel special somehow. More than an M these days.

My money is on it being most similar to the A8 motor. The S8 is very similar to the RS6/7 spec. The A8 motor is making 474/508whp on 93/100 after a tune which will be damn fast in that car. I'd think these cars will be knocking out low 10's at close to 140 with RS6/7 turbos/tune/racegas.

My money is on it being most similar to the A8 motor. The S8 is very similar to the RS6/7 spec. The A8 motor is making 474/508whp on 93/100 after a tune which will be damn fast in that car. I'd think these cars will be knocking out low 10's at close to 140 with RS6/7 turbos/tune/racegas.

They won't give it the RS6/RS7 turbos or else there is no reason to buy an RS6/RS7.

I'd say the S8 turbos simply because those are smaller. This car will need around 500 horsepower as that is what Benz is packing. So, the S8 is the most logical choice I think.

The m3 has never had the largest motor yet it's balance, all around performance, and dynamics make it the winner every time. It's bmw's formula....now they are trying it with a FI power plant. It's going to be real good.

The m3 has never had the largest motor yet it's balance, all around performance, and dynamics make it the winner every time. It's bmw's formula....now they are trying it with a FI power plant. It's going to be real good.

It's never had the largest mtor but it's never lacked muscle. The C32 had the same size engine as the E46 M3 with the a blower and yet the E46 M3 gave up nothing in acceleration (it was about a car length faster per my own testing to settle forum $#@! talking) and was way better balanced.

We'll see what happens. These people equate the better car to the faster car and it's kind of stupid. BMW's have been so good for so long because they are well rounded.

Still no want...Audi doesn't seem to understand the concepts of balance and feel from what I've seen. The Top Gear test of the current RS 5 is all you need to see. It's appalling. I will admit I haven't been in one yet but I can't imagine it would be any different than any other Audi - numb, capable, slightly boring. The M3/4 will be lighter, more fun, more interesting...the RS 5/RS 4 are heavy as unholy hell for how small they are...and they aren't exactly tuned for throttle-steering despite all the asymmetric quattro BS.

Also, I think the bigger thing is that VAG sees it fit to use the same engine in everything from an A4 to the CGT. That's a huge statement to make. They aren't interested in a smaller displacement, more bespoke engine for the smaller S/RS models at all, it seems.